ObjectSet.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\utils;
 
use function array_key_exists;
use function spl_object_id;
 
final class ObjectSet implements \IteratorAggregate{
    private array $objects = [];
 
    public function add(object ...$objects) : void{
        foreach($objects as $object){
            $this->objects[spl_object_id($object)] = $object;
        }
    }
 
    public function remove(object ...$objects) : void{
        foreach($objects as $object){
            unset($this->objects[spl_object_id($object)]);
        }
    }
 
    public function clear() : void{
        $this->objects = [];
    }
 
    public function contains(object $object) : bool{
        return array_key_exists(spl_object_id($object), $this->objects);
    }
 
    public function getIterator() : \ArrayIterator{
        return new \ArrayIterator($this->objects);
    }
 
    public function toArray() : array{
        return $this->objects;
    }
}